The aim of this paper is to generalize discount greenery the nonlinear incidence rate of a stochastic SIRS (susceptible-infected-recovered-susceptible) epidemic model.Our basic model was enriched with the hypotheses of vertical transmission and transfer from infected to susceptible individuals, to approach the reality.Our analysis showed that the model is well-posed.Under some conditions imposed on the intensity of the white noise perturbation, the global stability of the system is proven.
Furthermore, the threshold of our model which determines the extinction and persistence of the disease is established.Numerical examples are realized here to prove the rigor of our theoretical results.